6/25 TA departures by hour
4:00 - 5:00
ATH, MUC

5:00 - 6:00
MAD, DUB (EI), FRA (LH)

6:00 - 7:00
FRA, FCO, ZRH, VCE, BCN, LHR (BA), AMS, PRG, BUD

7:00 - 8:00
LHR (AA), GLA

8:00 - 9:00
LHR (AA), DOH (QR)

9:00 - 10:00
CDG, LHR (BA), DUB, SNN, LIS

So there is a bit of a log jam in the 6pm hour.